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Cabaletta Bio (CABA) Short Interest Ratio & Short Volume

Cabaletta Bio logo
$3.65 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$3.66 +0.01 (+0.25%)
As of 05/22/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Cabaletta Bio Short Interest Overview

As of April 30, 2026, Cabaletta Bio (CABA) had a short interest of 20.63 million shares sold short, representing 19.81% of the public float. This marks a 5.03% increase in short interest since the prior report. The short interest ratio (days to cover) is 10.1, meaning it would take 10.1 days of the average trading volume of 5.08 million shares to cover all short positions.

Current Short Interest
20,629,421 shares
Previous Short Interest
19,641,197 shares
Change Vs. Previous Month
5.03%
Dollar Volume Sold Short
$61.68 million
Short Interest Ratio
10.1 Days to Cover
Last Record Date
April 30, 2026
Outstanding Shares
163,050,000 shares
Short Percent of Float
19.81%
Today's Trading Volume
2,242,921 shares
Average Trading Volume
5,077,953 shares
Today's Volume Vs. Average
44%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

CABA Short Interest Over Time

CABA Days to Cover Over Time

CABA Percentage of Float Shorted Over Time

Cabaletta Bio Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
4/30/202620,629,421 shares $61.68 million +5.0%19.8%10.08 $2.99
4/15/202619,641,197 shares $66.78 million -1.6%19.9%10.71 $3.40
3/31/202619,967,705 shares $53.71 million +4.9%20.2%9.82 $2.69
3/13/202619,042,497 shares $58.27 million +2.2%22.3%11.27 $3.06
2/27/202618,637,787 shares $61.88 million +0.1%21.8%5.93 $3.32
2/13/202618,625,317 shares $52.15 million -0.3%21.8%6.8 $2.80
1/30/202618,677,159 shares $48.00 million +1.3%21.9%2.94 $2.57
1/15/202618,438,877 shares $38.35 million -1.9%21.6%10.21 $2.08
12/31/202518,795,100 shares $41.16 million -0.8%22.0%11.03 $2.19
12/15/202518,948,919 shares $45.29 million +4.6%22.2%9.06 $2.39
11/28/202518,113,270 shares $46.46 million +11.8%21.2%7.1 $2.57
11/14/202516,196,450 shares $37.41 million +25.1%19.0%3.63 $2.31
10/31/202512,948,100 shares $46.74 million +15.4%16.0%2.38 $3.61
10/15/202511,220,000 shares $32.54 million +85.8%13.8%4.1 $2.90
9/30/20256,040,000 shares $14.13 million +8.4%N/A2.8 $2.34
9/15/20255,570,000 shares $10.64 million -4.3%N/A3.3 $1.91
8/31/20255,820,000 shares $8.44 million -7.8%7.2%3.2 $1.45
8/15/20256,310,000 shares $10.79 million +4.6%N/A3.5 $1.71
7/31/20256,030,000 shares $9.17 million -7.8%13.4%2.8 $1.52
7/15/20256,540,000 shares $10.66 million +16.6%N/A3.1 $1.63
6/30/20255,610,000 shares $8.53 million -13.3%12.5%2.7 $1.52
6/15/20256,470,000 shares $12.88 million +4.4%14.4%3.5 $1.99
5/31/20256,200,000 shares $11.59 million +12.3%14.1%4.4 $1.87
5/15/20255,520,000 shares $9.99 million -9.5%12.5%4.2 $1.81
4/30/20256,100,000 shares $8.05 million +5.2%N/A6.3 $1.32
4/15/20255,800,000 shares $6.50 million -5.4%13.2%5.5 $1.12
3/31/20256,130,000 shares $8.49 million -1.6%13.9%5.1 $1.39
3/15/20256,230,000 shares $11.34 million -7.8%14.1%5 $1.82
2/28/20256,760,000 shares $12.20 million +9.0%15.3%4.5 $1.81
2/15/20256,200,000 shares $16.80 million -0.8%14.1%2.5 $2.71
1/31/20256,250,000 shares $14.94 million -3.1%N/A2.5 $2.39
1/15/20256,450,000 shares $14.32 million +7.1%N/A2.6 $2.22
12/31/20246,020,000 shares $13.67 million -3.2%N/A2.5 $2.27
12/15/20246,220,000 shares $17.54 million +38.2%N/A2.7 $2.82
11/30/20244,500,000 shares $17.19 million +25.0%N/A2 $3.82
11/15/20243,600,000 shares $10.91 million -3.0%N/A2.8 $3.03
10/31/20243,710,000 shares $13.17 million -1.9%N/A4 $3.55
10/15/20243,780,000 shares $16.37 million -29.0%N/A3.6 $4.33
9/30/20245,320,000 shares $25.11 million -16.7%N/A5.1 $4.72
9/15/20246,390,000 shares $26.26 million No ChangeN/A5.7 $4.11
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8/31/20246,390,000 shares $35.98 million +1.8%N/A5.1 $5.63
8/15/20246,280,000 shares $28.01 million -28.4%N/A4.8 $4.46
7/31/20248,770,000 shares $62.27 million +16.8%N/A7.1 $7.10
7/15/20247,510,000 shares $58.65 million +4.6%N/A5.7 $7.81
6/30/20247,180,000 shares $53.71 million -24.0%N/A5.4 $7.48
6/15/20249,450,000 shares $100.74 million -0.2%N/A7.2 $10.66
5/31/20249,470,000 shares $96.50 million +4.1%N/A8.1 $10.19
5/15/20249,100,000 shares $115.48 million -11.2%N/A8.1 $12.69
4/30/202410,250,000 shares $109.11 million +3.9%N/A8.9 $10.65
4/15/20249,870,000 shares $159.70 million +16.1%N/A10.3 $16.18
3/31/20248,500,000 shares $145.01 million +19.9%N/A9 $17.06
3/15/20247,090,000 shares $132.87 million +1.1%N/A7.9 $18.74
2/29/20247,010,000 shares $160.39 million +2.6%N/A7.1 $22.88
2/15/20246,830,000 shares $163.24 million +6.9%N/A5.4 $23.90
1/31/20246,390,000 shares $130.87 million -0.5%N/A5 $20.48
1/15/20246,420,000 shares $136.10 million +3.2%N/A5.4 $21.20
12/31/20236,220,000 shares $141.19 million +10.5%N/A5.3 $22.70
12/15/20235,630,000 shares $115.70 million -0.7%N/A4.8 $20.55
11/30/20235,670,000 shares $91.00 million +12.1%N/A4.9 $16.05
11/15/20235,060,000 shares $87.89 million -19.4%N/A6.4 $17.37
10/31/20236,280,000 shares $89.55 million +1.5%N/A8.6 $14.26
10/15/20236,190,000 shares $94.83 million +19.3%N/A9.1 $15.32
9/30/20235,190,000 shares $78.99 million +65.3%N/A8 $15.22
9/15/20233,140,000 shares $49.64 million -3.7%N/A5 $15.81
8/31/20233,260,000 shares $46.16 million -39.2%N/A6 $14.16
8/15/20235,360,000 shares $73.27 million +6.1%N/A11.6 $13.67
7/31/20235,050,000 shares $68.78 million -8.4%N/A10.4 $13.62
7/15/20235,510,000 shares $66.73 million +4.8%N/A11 $12.11
6/30/20235,260,000 shares $67.91 million +22.3%N/A11.2 $12.91
6/15/20234,300,000 shares $55.34 million +7.0%N/A9.9 $12.87
5/31/20234,020,000 shares $40.56 million +1.0%N/A11.8 $10.09
5/15/20233,980,000 shares $45.69 million -0.5%N/A11 $11.48
4/30/20234,000,000 shares $41.52 million -1.0%N/A10.3 $10.38
4/15/20234,040,000 shares $31.55 million +9.8%N/A9.3 $7.81
3/31/20233,680,000 shares $30.43 million +3.1%N/A7.2 $8.27
3/15/20233,570,000 shares $26.45 million +2.6%N/A5.5 $7.41
2/28/20233,480,000 shares $30.76 million +3.0%N/A4.6 $8.84
2/15/20233,380,000 shares $27.21 million -0.3%N/A4.2 $8.05
1/31/20233,390,000 shares $41.32 million +3.7%N/A3.9 $12.19
1/15/20233,270,000 shares $32.77 million -7.4%N/A2.6 $10.02
12/30/20223,530,000 shares $32.65 million -0.3%N/A2.6 $9.25
12/15/20223,540,000 shares $23.90 million -3.5%N/A2.7 $6.75
11/30/20223,670,000 shares $16.44 million +6.4%N/A2.8 $4.48
11/15/20223,450,000 shares $12.32 million -8.5%N/A2.3 $3.57
10/31/20223,770,000 shares $6.37 million +5.9%N/A1.9 $1.69
10/15/20223,560,000 shares $3.03 million -23.6%N/A1.8 $0.85
9/30/20224,660,000 shares $3.03 million +11.8%N/A3.5 $0.65
9/15/20224,170,000 shares $3.67 million +21.2%N/A3.2 $0.88
8/31/20223,440,000 shares $3.28 million +55.0%N/A2.8 $0.95
8/15/20222,220,000 shares $3.40 million +8.3%N/A2.4 $1.53
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7/31/20222,050,000 shares $2.42 million +4.6%N/A11.3 $1.18
7/15/20221,960,000 shares $3.04 million +6.5%N/A12.2 $1.55
6/30/20221,840,000 shares $1.95 million +0.6%N/A11.4 $1.06
6/15/20221,830,000 shares $1.83 million +1.7%N/A12.2 $1.00
5/31/20221,800,000 shares $2.30 million -1.6%N/A11.2 $1.28
5/15/20221,830,000 shares $2.73 million +2.8%N/A10.3 $1.49
4/30/20221,780,000 shares $2.46 million No ChangeN/A10.1 $1.38
4/15/20221,780,000 shares $3.24 million -2.2%N/A10 $1.82
3/31/20221,820,000 shares $3.69 million No ChangeN/A11 $2.03
3/15/20221,820,000 shares $3.06 million +2.8%N/A8.7 $1.68
2/28/20221,770,000 shares $3.82 million No ChangeN/A3 $2.16
2/15/20221,770,000 shares $5.01 million -0.6%N/A3.1 $2.83
1/31/20221,780,000 shares $5.38 million -1.1%N/A3 $3.02
1/15/20221,800,000 shares $6.17 million -1.1%N/A3 $3.43
12/31/20211,820,000 shares $6.90 million -1.1%N/A3 $3.79
12/15/20211,840,000 shares $7.30 million +1.1%N/A3.1 $3.97
11/30/20211,820,000 shares $21.08 million +10.3%N/A11.1 $11.58
11/15/20211,650,000 shares $19.93 million +22.2%N/A8.1 $12.08
10/29/20211,350,000 shares $18.45 million No ChangeN/A7 $13.67
10/15/20211,350,000 shares $16.55 million No Change8.7%8 $12.26
9/30/20211,350,000 shares $16.42 million +0.8%8.7%9.1 $12.16
9/15/20211,340,000 shares $15.54 million +1.5%8.7%8.2 $11.60
8/31/20211,320,000 shares $13.44 million +0.8%8.9%8.2 $10.18
8/13/20211,310,000 shares $9.77 million -1.5%8.8%11.2 $7.46
7/30/20211,330,000 shares $9.92 million -1.5%8.4%11.4 $7.46
7/15/20211,350,000 shares $10.14 million -1.5%8.5%10.5 $7.51
6/30/20211,370,000 shares $11.78 million -11.6%8.7%10 $8.60
6/15/20211,550,000 shares $12.21 million +1.3%9.8%14.3 $7.88
5/28/20211,530,000 shares $17.35 million -6.1%9.7%15.1 $11.34

CABA Short Interest - Frequently Asked Questions

Short interest is the volume of Cabaletta Bio shares that have been sold short but have not yet been closed out or covered. As of April 30th, traders have sold 20,629,421 shares of CABA short. 19.81% of Cabaletta Bio's shares are currently sold short. Learn More on Cabaletta Bio's current short interest.

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. CABA shares currently have a short interest ratio of 10.1. Learn More on Cabaletta Bio's short interest ratio.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 19.81% of Cabaletta Bio's floating shares are currently sold short.

Cabaletta Bio saw a increase in short interest in April. As of April 30th, there was short interest totaling 20,629,421 shares, an increase of 5.0% from the previous total of 19,641,197 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

19.81% of Cabaletta Bio's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Cabaletta Bio: GH Research PLC (3.46%), Immatics N.V. (3.85%), KalVista Pharmaceuticals, Inc. (30.93%), Immunocore Holdings PLC Sponsored ADR (19.75%), Maze Therapeutics, Inc. (9.23%), Urogen Pharma (15.59%), Compass Pathways PLC Sponsored ADR (7.80%), Phibro Animal Health Corporation (6.01%), Bicara Therapeutics Inc. (13.56%), Biohaven Ltd. (19.16%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks.

Short selling CABA is an investing strategy that aims to generate trading profit from Cabaletta Bio as its price is falling. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for Cabaletta Bio occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of CABA, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including CABA, twice per month. The most recent reporting period available is April, 30 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like CABA:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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This page (NASDAQ:CABA) was last updated on 5/26/2026 by MarketBeat.com Staff.
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